| statement_type | CONNECT_USER_STMT (1) | The user-defined connection will be identified by the name given in session_ptr. | 
| OTHER_STMT (99) or NULL | The connection will be made using the server name supplied in server_ptr (default). | |
| server_ptr | Server name | Default server if NULL. | 
| session_ptr | Session name | User-defined connection specifier used to set different connections. If not specified, the server name will be used as the connection name. | 
| user_ptr | User name | Default user if NULL. | 
| password_ptr | Password | No password if NULL. | 
| charset_ptr | Character set | Default character set if NULL. | 
| NONULLTERMINATE | All input and output strings will be processed without null termination considerations. Recommended for all non C/C++ applications. |